fix: improve document ui (#18157)

## Which issue does this PR close?

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- Closes #17913 .

## Rationale for this change

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Why are you proposing this change? If this is already explained clearly
in the issue then this section is not needed.
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- Improve SQL code block rendering by upgrading `pydata-sphinx-theme`
- fix sidebar layout 

## What changes are included in this PR?

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## Are these changes tested?

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yes

## Are there any user-facing changes?

documentation ui
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Author: getChan

docs/requirements.txt

@@ -17,7 +17,7 @@
 
 sphinx==8.2.3
 sphinx-reredirects==1.0.0
-pydata-sphinx-theme==0.8.0
+pydata-sphinx-theme==0.16.1
 myst-parser==4.0.1
 maturin==1.9.6
 jinja2==3.1.6

docs/source/_templates/docs-sidebar.html

@@ -1,21 +1,20 @@
-
-
-<form class="bd-search d-flex align-items-center" action="{{ pathto('search') }}" method="get">
-  <i class="icon fas fa-search"></i>
-  <input type="search" class="form-control" name="q" id="search-input" placeholder="{{ theme_search_bar_text }}" aria-label="{{ theme_search_bar_text }}" autocomplete="off" >
-</form>
-
+<p>
+  <a href="{{ pathto(master_doc) }}">
+    <img src="{{ pathto('_static/images/2x_bgwhite_original.png', 1) }}" class="logo" alt="logo">
+  </a>
+</p>
+<p>
+  <form class="bd-search d-flex align-items-center" action="{{ pathto('search') }}" method="get">
+    <input type="search" class="form-control" name="q" id="search-input" placeholder="{{ theme_search_bar_text }}" aria-label="{{ theme_search_bar_text }}" autocomplete="off" >
+  </form>
+</p>
 <nav class="bd-links" id="bd-docs-nav" aria-label="Main navigation">
+
   <div class="bd-toc-item active">
     {% if "python/api" in pagename or "python/generated" in pagename %}
-    {{ generate_nav_html("sidebar", startdepth=0, maxdepth=3, collapse=False, includehidden=True, titles_only=True) }}
+    {{ generate_toctree_html("sidebar", startdepth=0, maxdepth=3, collapse=False, includehidden=True, titles_only=True) }}
     {% else %}
-    {{ generate_nav_html("sidebar", startdepth=0, maxdepth=4, collapse=False, includehidden=True, titles_only=True) }}
+    {{ generate_toctree_html("sidebar", startdepth=0, maxdepth=4, collapse=False, includehidden=True, titles_only=True) }}
     {% endif %}
   </div>
-
-  <a class="navbar-brand" href="{{ pathto(master_doc) }}">
-    <img src="{{ pathto('_static/images/2x_bgwhite_original.png', 1) }}" class="logo" alt="logo">
-  </a>
-</nav>
-
+</nav>